Abstract: Zero-ascend omnispecies (ZAO) attraction system includes a fish passage attraction module that can be deployed in a fishway where water flows downstream. The fish passage attraction module includes a body having a first end and an opposite second end, first adaptor adjacent the first end and second adaptor adjacent the second end. The adaptors are configured to alter water flow fields downstream of the module so as to attract fish to an entrance thereof.

Abstract: A video doorbell system operable to generate a chime sound, comprises a transformer, operable to convert a premise's power supply to a suitable. The video doorbell system further includes a video doorbell having a processor, a video camera and a wireless communication module. The video doorbell is electrically connected to the transformer by a two-wire interface. The processor within the video doorbell operable to generate a chime signal using power supplied from the two-wire interface when a doorbell button is depressed. The video doorbell system further includes a chime controller, electrically connected to the transformer and the video doorbell by the two-wire interface. The video doorbell system continues to provide sufficient power to the video doorbell from the transformer via the two-wire interface so as to be able to operate the processor, video camera and wireless communication module while the doorbell button is currently depressed.

Abstract: In one embodiment, an EV charging system includes: a plurality of first converters to receive and convert grid power at a distribution grid voltage to at least one second voltage; a high frequency transformer coupled to the first converters to receive the at least one second voltage and output at least one high frequency AC voltage; and a plurality of port rectifiers coupled to a plurality of secondary windings of the high frequency transformer, each of the port rectifiers comprising a unidirectional AC-DC converter to receive and convert the at least one high frequency AC voltage to a DC voltage. At least some of the port rectifiers may be coupled in series to provide at least one of a charging current or a charging voltage to at least one dispenser to which at least one EV is to couple.

Abstract: An example control device includes memory storing a first thermal model of a building and a second thermal model of the building, and a processor connected to the memory. The processor is configured to select the first thermal model or the second thermal model as a selected thermal model, and execute model predictive control (MPC) using the selected thermal model to control a heating, cooling, ventilation, and/or air conditioning (HVAC) apparatus at the building.

Abstract: A cloud server and an operation method thereof are provided. The cloud server is communicatively connected to at least one electronic device and at least one power device. The cloud server is used for determining whether an event occurs on any of the power devices, and determining whether a warning needs to be issued in response to the event. When both are determined to be yes, the cloud server pushes an alert message, generates a security key and a security lock, and transmits the security lock to the electronic devices associated with the event. Only when receiving a confirmation message in response to the alert message within a valid unlock time, the cloud server transmits the security key to the electronic devices associated with the event, so that the electronic devices associated with the event start to perform a corresponding operation after unlocking.

Abstract: The present disclosure is directed to self-synchronizing devices that can connect and self-synchronizes voltage, frequency and phase of two or more power sources. The disclosed embodiments enable a modular power system to serve as the primary or secondary source of power for applications requiring loads from a few kilowatts (kW) to the scale of megawatts (MW). The modular system is generalized to use either a single or multiple power generation sources at once, with the ability to connect and self-synchronize voltage, frequency, and phase of a variety of different types of power sources. Power control systems designed to function with self-synchronizing technology enable a modular power system to satisfy a wide variety of needs, simplifying the existing method of achieving synchronization and enabling new features of resiliency and expandability. The self-synchronization can be implemented into a wide variety of electronics including but not limited to inverters and generator controllers.

Abstract: Zero-ascend omnispecies (ZAO) attraction system includes a fish passage attraction module that can be deployed in a fishway where water flows downstream. The fish passage attraction module includes a body having a first end and an opposite second end, first adaptor adjacent the first end and second adaptor adjacent the second end. The adaptors are configured to alter water flow fields downstream of the module so as to attract fish to an entrance thereof.

Abstract: An assembly kit for an offshore renewable energy system mounting platform having a frame with three or more lateral braces; upright braces and vertex members with each vertex member coupled to the lateral braces such that the lateral braces and the vertex members form a substantially planar base of the frame. The vertex members each engage a first end of a corresponding upright brace affixing the upright brace to the base, The frame includes a transition piece engaging a second end of the upright braces to form a fixed apex of the frame. The kit includes a plurality of lateral brace supports and a vertical tower. Each of the lateral brace supports are on a horizontal plane above the ground and the vertical tower is positioned to engage the upright braces such that each engaged upright brace is supported at an upright angle.

Abstract: A modular device that can operate as an electrical generator. First and second coil support plates are arranged in parallel orientation relative to each other forming a gap between the first and second coil support plates. Removable C-cores, each having wire coils, are removably attached to the first and second coil support plates. A rotor disc having selectively arranged magnets is disposed in the gap between the first and second coil support plates and is permitted to rotate about an axis that is perpendicular to the rotor disc and the parallel first and second coil support plates; a drive motor can power rotation of the rotor disc. As the disc rotates, electrical current is generated. The C-core assemblies can be interchanged, checked, removed and/or replaced while the electrical generator remains in operation without requiring cessation of such operation.

Abstract: A novel system and method for determining a viewing frustum for a wide angle camera system employs multiple detection sub-systems to detect the presence or occurrence of events and/or objects of interest within the entire captured field of view of the system and processes the results of those detection sub-systems in accordance with a Hierarchy of Interest to select a viewing frustum for providing a de-warped view of interest to a viewer. The Hierarchy of Interest can be predefined, or selected from a set of Hierarchies of Interest and/or can be adaptive is response to feedback from a viewer.

Abstract: A system and method for generating rotation of a body includes a rotating body configured to rotate about a rotation axis, at least one permanent flanking magnet and a bias object (or material non-uniformity) both arranged at least partially on or within the rotating body, and a drive or ring element. An axial gap between the ring element and the rotating body exists in an axial direction parallel to the rotation axis. The ring element may be a ferrous body, permanent magnet or electromagnet, and the bias object may be made from one or more materials of magnetic states, such as magnetic, ferromagnetic, paramagnetic, and diamagnetic or be a change in material properties of the rotating body. In some embodiments, a center of the ring element is not aligned with the rotation axis.

Abstract: The present disclosure is directed to modular microgrids and more particularly to core modules that comprise self-synchronizing devices that can connect and self-synchronizes voltage, frequency and phase with other power sources. The disclosed embodiments enable a modular power system to serve as the primary or secondary source of power for applications requiring loads from a few kilowatts (KW) to the scale of megawatts (MW). The modular system is generalized to use either a single or multiple power generation sources at once, with the ability to connect and self-synchronize voltage, frequency, and phase of a variety of different types of power sources. Power control systems designed to function with self-synchronizing technology enable a modular power system to satisfy a wide variety of needs and enable new features of resiliency and expandability.

Abstract: A fuel cell system includes a fuel cell module having an inlet and an outlet. The fuel cell module receives a fuel stream including gaseous fuel and expels a depleted fuel stream. The system also includes an exhaust processing module disposed relative to the fuel cell module such that waste heat from the fuel cell module is usable by the exhaust processing module. The system is configured to direct a first portion of the depleted fuel stream to the exhaust processing module, where the depleted fuel stream includes depleted fuel and at least one gaseous byproduct including oxygen and carbon dioxide. The exhaust processing module subjects the first portion of the depleted fuel stream to co-electrolysis using the waste heat from the fuel cell module to produce a fuel-enriched stream. The system is configured to direct the fuel-enriched stream to the inlet of the fuel cell module.

Abstract: An electric machine may include a housing that encloses both a radial motor producing radial flux in a first direction, the radial flux influences a first magnetic unit to produce a first torque on a rotor arm attached to a shaft. The housing can also include an axial motor producing axial flux in a second direction to influence a second magnetic unit to produce a second torque on the rotor arm attached to the shaft, wherein the radial motor and the axial motor are positioned in the housing to reduce cross magnetic flux from either the radial motor or the axial motor. The primary radial motor can include either a permanent magnetic motor or an induction motor. The secondary radial motor can include one of a permanent magnet motor, an induction motor, or a transverse flux motor. The current and phase of primary and secondary motors can be independently controllable.

Abstract: A cable-shaving tool for midspan shaving of a cable jacket includes a housing bottom having a first hinge member along an upper edge, a cavity, and at least one cable groove extending through a length of the housing bottom. The cable-shaving tool includes a second housing shell having an interior portion having at least one recess having an upper control surface, an exterior portion, and a second hinge member along a second housing shell edge engageable with the first hinge member wherein the second housing shell is rotatable about the first hinge member. The cable-shaving tool includes a blade removably securable between a blade holder and a blade support surface on the housing lid, the blade extending within a portion of the recess and a movable cable ramp disposed in the cavity of the bottom housing for urging the cable toward the blade when the second housing shell is in a closed position.

Abstract: An IP address display device suitable for a power device is provided. The IP address display device comprises a communication interface, a display interface, and a control circuit. The control circuit is electrically coupled to the communication interface and the display interface, and is used to determine whether an IP address allocated by a DHCP server has been obtained through the communication interface. When the determination result is yes, the control circuit automatically displays the obtained IP address by the display interface for a preset time. In addition, a power distribution unit and an uninterruptible power system using the same are also provided.

Abstract: The present application provides a positive current collector plate. The positive current collector plate is located between positive tabs and a positive cover plate; the positive current collector plate includes a plate body and an electrical connection part; the electrical connection part extends and protrudes from the plate body toward the positive cover plate and protrudes; the plate body is in contact with the positive tabs; the electrical connection part is in contact with the positive cover plate. The present application also provides a cylindrical battery.

Abstract: The present invention relates to a fuel supply device of a circulating fluidized bed boiler. The fuel supply device includes: a feeder transferring fuel; a chute extending downwardly inclined from a lower end portion of the feeder to a combustor, the chute supplying the fuel to the combustor through a fuel injection hole; and a combustion heat blocking part provided at a portion of the fuel injection hole, the combustion heat blocking part preventing the fuel from being melted or burned at an end of the fuel injection hole connected to the combustor and in the fuel injection hole due to back fire. The combustion heat blocking part includes a heat shield plate installed at a sidewall of the combustor at an upper side of the fuel injection hole.

Abstract: An example of an apparatus to transport utility-scale lithium-ion batteries in a racked and operational state. The apparatus includes a base and an isolation platform. In addition, the apparatus includes an isolator mounted on the base to support the isolation platform. The isolator is to dampen forces exerted on the isolation platform from the base. Furthermore, the apparatus includes a rack mounted onto the isolation platform. The rack is to secure a plurality of lithium-ion batteries to store energy at a utility-scale to be provided to a power distribution network. The plurality of lithium-ion batteries is racked in an operational state during transportation.

Abstract: A microgrid charging system may comprise: a battery system comprising a first plurality of battery modules; a battery management system including a controller in operable communication with the first plurality of battery modules, the controller operable to: receive battery data for each battery module in the first plurality of battery modules including at least one of a discharge frequency, shock and vibration data, battery capacity data; compare the battery data for each battery module in the first plurality of battery modules to an airworthiness standard; and determine whether each battery in the first plurality of battery modules meets the airworthiness standard. The first plurality of battery modules may be cross-compatible with a second plurality of battery modules in an aircraft battery system.